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发明名称
SHAFT EXCAVATOR
摘要
申请公布号
JPH01131790(A)
申请公布日期
1989.05.24
申请号
JP19870290967
申请日期
1987.11.18
申请人
SHIMIZU CORP;MITSUI MIIKE MACH CO LTD
发明人
MIYAZAKI AKIRA;KIKUCHI YUICHI;OBARA YOSHIYUKI;KAWADA TAKASHI;MIZUTANI FUMITOSHI;HIDA FUTAO;SHIMAZAKI SHIROYASU
分类号
E21D1/06;E21D1/08
主分类号
E21D1/06
代理机构
代理人
主权项
地址
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