Mason's guide,申请号US19620220756-传众专利搜索

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发明名称	Mason's guide
摘要
申请公布号	US3153285(A)	申请公布日期	1964.10.20
申请号	US19620220756	申请日期	1962.08.31
申请人	SENKO ANDREW R	发明人	SENKO ANDREW R.
分类号	E04G21/18	主分类号	E04G21/18
代理机构		代理人
主权项
地址

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