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发明名称
SPIRAL CASING FOR BLOWER AND THE LIKE
摘要
申请公布号
JPS53109209(A)
申请公布日期
1978.09.22
申请号
JP19770022658
申请日期
1977.03.04
申请人
HITACHI LTD
发明人
OOHIRA KATSUNORI
分类号
F04D29/42
主分类号
F04D29/42
代理机构
代理人
主权项
地址
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