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发明名称
A new or improved life saving apparatus for personal wear
摘要
申请公布号
GB538094(A)
申请公布日期
1941.07.21
申请号
GB19400000987
申请日期
1940.01.16
申请人
GEORGE WATSON PARKER
发明人
分类号
B63C9/125
主分类号
B63C9/125
代理机构
代理人
主权项
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