Interlocking parquet block,申请号US19520308071-传众专利搜索

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发明名称	Interlocking parquet block
摘要
申请公布号	US2740167(A)	申请公布日期	1956.04.03
申请号	US19520308071	申请日期	1952.09.05
申请人	ROWLEY JOHN C	发明人	ROWLEY JOHN C.
分类号	E04F15/04	主分类号	E04F15/04
代理机构		代理人
主权项
地址

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