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发明名称
Improved waste water trap and non-return device
摘要
申请公布号
GB975180(A)
申请公布日期
1964.11.11
申请号
GB19620023515
申请日期
1962.06.19
申请人
SWAN, HUNTER & WIGHAM RICHARDSON, LIMITED;NORMAN GILCHRIST
发明人
分类号
E03C1/288;E03C1/29
主分类号
E03C1/288
代理机构
代理人
主权项
地址
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