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发明名称
HAMMER SHOVEL SUSPENSION-HOLDING BODY
摘要
申请公布号
JPH05346090(A)
申请公布日期
1993.12.27
申请号
JP19920154712
申请日期
1992.06.15
申请人
OTA TOMIO
发明人
OTA TOMIO
分类号
E02F3/47;E21B11/04;(IPC1-7):E21B11/04
主分类号
E02F3/47
代理机构
代理人
主权项
地址
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