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发明名称
CLAMSHELL WORKING DEVICE OF OIL PRESSURE TYPE CLAMSHELL
摘要
申请公布号
JPS5457301(A)
申请公布日期
1979.05.09
申请号
JP19770123639
申请日期
1977.10.15
申请人
YORITOMI RIYUUTAROU
发明人
YORITOMI RIYUUTAROU
分类号
E02F3/47
主分类号
E02F3/47
代理机构
代理人
主权项
地址
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