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经营范围
发明名称
Plastic boat hull
摘要
<p>A hull for a boat is made from foam plastics. The outer surface of this hull is free of pores. The compsns. of the foam plastic is adjusted in order to ensure impermeable outer surface. The expansion of plastic is carried out under vacuum.</p>
申请公布号
DE1935713(A1)
申请公布日期
1971.04.29
申请号
DE19691935713
申请日期
1969.07.14
申请人
HOFMANN,WERNER
发明人
HOFMANN,WERNER
分类号
B63B5/24
主分类号
B63B5/24
代理机构
代理人
主权项
地址
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