METHOD FOR PNEUMATICALLY PICKING UP SOIL FOR USE IN SUCTION DEVICES AND SUCTION TUBE FOR THIS PURPOSE AND USE OF SAID SUCTION TUBE,申请号EP20040721120-传众专利搜索

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发明名称	METHOD FOR PNEUMATICALLY PICKING UP SOIL FOR USE IN SUCTION DEVICES AND SUCTION TUBE FOR THIS PURPOSE AND USE OF SAID SUCTION TUBE
摘要
申请公布号	EP1618258(A1)	申请公布日期	2006.01.25
申请号	EP20040721120	申请日期	2004.03.17
申请人	BRAUN, ALFONS;WALTHER, FRANK;WALTHER, ROLF	发明人	BRAUN, ALFONS;WALTHER, FRANK;WALTHER, ROLF
分类号	E02F3/92;(IPC1-7):E02F3/92;E21C25/60;E21B21/16;E21B7/18	主分类号	E02F3/92
代理机构		代理人
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