Combined book holder and marker,申请号US19290348778-传众专利搜索

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发明名称	Combined book holder and marker
摘要
申请公布号	US1888773(A)	申请公布日期	1932.11.22
申请号	US19290348778	申请日期	1929.03.21
申请人	ALBERTINE RUELLAND	发明人	RUELLAND ALBERTINE
分类号	A47B23/04	主分类号	A47B23/04
代理机构		代理人
主权项
地址

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