Black-out shade,申请号US19420425277-传众专利搜索

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发明名称	Black-out shade
摘要
申请公布号	US2310014(A)	申请公布日期	1943.02.02
申请号	US19420425277	申请日期	1942.01.01
申请人	APFEL JOSEPH S	发明人	APFEL JOSEPH S.
分类号	E06B9/24	主分类号	E06B9/24
代理机构		代理人
主权项
地址

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