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发明名称
BLADE SHIELD EXCAVATOR
摘要
申请公布号
JPH01268993(A)
申请公布日期
1989.10.26
申请号
JP19880094608
申请日期
1988.04.19
申请人
TOOMEN KENKI KK
发明人
SAWAKI AKIRA
分类号
E21D9/06;E21D11/00
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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