Pneumatic hammer concrete router and scarifier,申请号US19580751775-传众专利搜索

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发明名称	Pneumatic hammer concrete router and scarifier
摘要
申请公布号	US2904320(A)	申请公布日期	1959.09.15
申请号	US19580751775	申请日期	1958.07.29
申请人	SALISBURY MAURICE B;ELLIS LORIN L	发明人	SALISBURY MAURICE B.;ELLIS LORIN L.
分类号	E01C23/12	主分类号	E01C23/12
代理机构		代理人
主权项
地址

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