Pivoted link chain,申请号US19420467913-传众专利搜索

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发明名称	Pivoted link chain
摘要
申请公布号	US2365229(A)	申请公布日期	1944.12.19
申请号	US19420467913	申请日期	1942.12.04
申请人	SULLIVAN MACHINERY COMPANY	发明人	VANDERZEE HARRY H.
分类号	E21C25/36	主分类号	E21C25/36
代理机构		代理人
主权项
地址

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