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发明名称
Flotteur à crapaud pour barrage dans l'eau.
摘要
申请公布号
CH188363(A)
申请公布日期
1936.12.31
申请号
CHD188363
申请日期
1935.04.30
申请人
ELIA,GIOVANNI EMMANUELE
发明人
EMMANUELE ELIA,GIOVANNI
分类号
F42B22/10;F42B22/16;F42B22/24
主分类号
F42B22/10
代理机构
代理人
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