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发明名称
OPENING AND CLOSING TYPE CUTTER DEVICE IN MUDDY WATER SYSTEM EXCAVATOR
摘要
申请公布号
JPS52132528(A)
申请公布日期
1977.11.07
申请号
JP19760048527
申请日期
1976.04.30
申请人
ISEKI KAIHATSU KOKI;OOSHIOGUMI KK
发明人
AKESAKA TOSHIO
分类号
E21D9/087;E21D9/08
主分类号
E21D9/087
代理机构
代理人
主权项
地址
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