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发明名称
Blade construction for compressors of the rotary type
摘要
申请公布号
US1796535(A)
申请公布日期
1931.03.17
申请号
US19270221977
申请日期
1927.09.26
申请人
ROLAFF WALTER G E
发明人
ROLAFF WALTER G. E.
分类号
F01C21/08
主分类号
F01C21/08
代理机构
代理人
主权项
地址
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