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发明名称
EXTENSIBLE AND RETRACTABLE PROPELLER FOR BOATS
摘要
申请公布号
JPS562289(A)
申请公布日期
1981.01.10
申请号
JP19800024157
申请日期
1980.02.29
申请人
RIDDER SVEN O
发明人
SUFUEN OROFU RITSUDAA
分类号
B63H1/24
主分类号
B63H1/24
代理机构
代理人
主权项
地址
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