Improvements relating to blasting,申请号GB19590020687-传众专利搜索

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发明名称	Improvements relating to blasting
摘要
申请公布号	GB885894(A)	申请公布日期	1962.01.03
申请号	GB19590020687	申请日期	1959.06.16
申请人	JOSEF PETERS;ANGELIKA PETERS	发明人
分类号	F42D1/20	主分类号	F42D1/20
代理机构		代理人
主权项
地址

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