Improvements in roofings,申请号GB19460037416-传众专利搜索

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发明名称	Improvements in roofings
摘要
申请公布号	GB625933(A)	申请公布日期	1949.07.06
申请号	GB19460037416	申请日期	1946.12.19
申请人	CHARLES LEON GOLAZ	发明人
分类号	E04D3/30;E04D3/361;E04D3/365;E04D3/40	主分类号	E04D3/30
代理机构		代理人
主权项
地址

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