An improved sheet material,申请号GB19390016402-传众专利搜索

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发明名称	An improved sheet material
摘要
申请公布号	GB529608(A)	申请公布日期	1940.11.25
申请号	GB19390016402	申请日期	1939.06.05
申请人	JAMES HYDE BOWIE GOWAN	发明人
分类号	E04D5/10	主分类号	E04D5/10
代理机构		代理人
主权项
地址

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