Dowel retainer,申请号US19370175759-传众专利搜索

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发明名称	Dowel retainer
摘要
申请公布号	US2178386(A)	申请公布日期	1939.10.31
申请号	US19370175759	申请日期	1937.11.22
申请人	CLINTON BEAN	发明人	BEAN CLINTON
分类号	E01C19/50	主分类号	E01C19/50
代理机构		代理人
主权项
地址

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