Appareil pour opérer le mélange du bitume au goudron, la fusion et le fluxage des bitumes,申请号FRD40705D-传众专利搜索

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发明名称	Appareil pour opérer le mélange du bitume au goudron, la fusion et le fluxage des bitumes
摘要
申请公布号	FR40705(E)	申请公布日期	1932.08.22
申请号	FRD40705D	申请日期	1931.08.31
申请人		发明人	SCHARS ALPHONSE-JOSEPH
分类号	E01C19/45	主分类号	E01C19/45
代理机构		代理人
主权项
地址

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