238000003466 welding Methods 0.000 title claims description 65.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to JP320917/97 priority Critical Priority to JP32091997A priority patent/JP3314699B2/en Priority to JP320919/97 priority Priority to JP9320917A priority patent/JPH11154446A/en Priority to JP320917/1997 priority Priority to JP320919/1997 priority Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd Publication of CN1220930A publication Critical patent/CN1220930A/en Application granted granted Critical Publication of CN1187156C publication Critical patent/CN1187156C/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Original Assignee Matsushita Electric Industrial Co Ltd Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor 鸣户政富美 安原芳道 大久保正行 Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number CNB981225500A Other languages Chinese ( zh)
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Google Patents Welding machine and used electromagnetic switch thereofĭownload PDF Info Publication number CN1187156C CN1187156C CNB981225500A CN98122550A CN1187156C CN 1187156 C CN1187156 C CN 1187156C CN B981225500 A CNB981225500 A CN B981225500A CN 98122550 A CN98122550 A CN 98122550A CN 1187156 C CN1187156 C CN 1187156C Authority CN China Prior art keywords electromagnetic switch switch coil voltage welding machine Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
Google Patents CN1187156C - Welding machine and used electromagnetic switch thereof CN1187156C - Welding machine and used electromagnetic switch thereof
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