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发明名称
PREPARATION METHOD OF SPIRAL CASING OF HYDRAULIC MACHINERY
摘要
申请公布号
JPS5540260(A)
申请公布日期
1980.03.21
申请号
JP19780113575
申请日期
1978.09.18
申请人
HITACHI LTD
发明人
TAKAHASHI YOUICHI;YOKOYAMA TOSHIAKI;KIRIHARA SEISHIN;KUJI MITSURU
分类号
F03B11/02
主分类号
F03B11/02
代理机构
代理人
主权项
地址
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