GARAGE DOOR SPRING STRETCHING DEVICE,申请号US19770779275-传众专利搜索

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发明名称	GARAGE DOOR SPRING STRETCHING DEVICE
摘要
申请公布号	US4066242(A)	申请公布日期	1978.01.03
申请号	US19770779275	申请日期	1977.03.18
申请人	ALLEVATO, LOUIS	发明人	ALLEVATO, LOUIS
分类号	B25B27/00;B25B27/30;E05D15/46;(IPC1-7):B25B27/00;E05F1/12	主分类号	B25B27/00
代理机构		代理人
主权项
地址

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