An improved force pump for clearing pipes,申请号GB19310010697-传众专利搜索

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发明名称	An improved force pump for clearing pipes
摘要
申请公布号	GB371582(A)	申请公布日期	1932.04.28
申请号	GB19310010697	申请日期	1931.04.11
申请人	WALTER SCOTT CROW	发明人
分类号	F04B9/14	主分类号	F04B9/14
代理机构		代理人
主权项
地址

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