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发明名称
PIN-TYPE JOINT FOR CRAWLER FRAME ARM OF A HEADING MACHINE
摘要
申请公布号
PL325091(A1)
申请公布日期
1999.08.30
申请号
PL19980325091
申请日期
1998.02.26
申请人
KROLICA ZDZISLAW;KOKOSZKA WLADYSLAW;CHRZANOWSKI MARIAN;MASLISZ JAROSLAW;ZAK EDWARD;FELS MICHAL
发明人
KROLICA ZDZISLAW;KOKOSZKA WLADYSLAW;CHRZANOWSKI MARIAN;MASLISZ JAROSLAW;ZAK EDWARD;FELS MICHAL
分类号
E21C27/22;E21C31/00;E21D9/00;(IPC1-7):E21D9/00
主分类号
E21C27/22
代理机构
代理人
主权项
地址
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