Two-cylinder pump for heavy flowable materials, such as concrete,申请号US06/896679-传众专利搜索

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发明名称	Two-cylinder pump for heavy flowable materials, such as concrete
摘要
申请公布号	USRE32657(E1)	申请公布日期	1988.04.26
申请号	US06/896679	申请日期	1986.08.14
申请人		发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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