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发明名称
Пружинный сальник к дейдвудной трубе для гребного винта
摘要
申请公布号
SU43299(A1)
申请公布日期
1935.05.31
申请号
SU19330135201
申请日期
1933.08.01
申请人
TUNEV V.M.
发明人
TUNEV V.M.
分类号
B63H23/36
主分类号
B63H23/36
代理机构
代理人
主权项
地址
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