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发明名称
EXPANSION DEVICE FOR BOOM
摘要
申请公布号
JPS58130889(A)
申请公布日期
1983.08.04
申请号
JP19830003055
申请日期
1983.01.12
申请人
YUNITSUKU:KK
发明人
NAKAMURA SUSUMU
分类号
F15B11/20;B66C23/42;B66C23/687;F15B15/16
主分类号
F15B11/20
代理机构
代理人
主权项
地址
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