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发明名称
Improvements in or relating to meteorological balloons
摘要
申请公布号
GB981039(A)
申请公布日期
1965.01.20
申请号
GB19630026818
申请日期
1963.07.05
申请人
W. R, GRACE & CO.
发明人
分类号
B64B1/40;B64B1/60
主分类号
B64B1/40
代理机构
代理人
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地址
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