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HK1010567B - Non-return device - Google Patents

Non-return device Download PDF

Info

Publication number
HK1010567B
HK1010567B HK98111518.3A HK98111518A HK1010567B HK 1010567 B HK1010567 B HK 1010567B HK 98111518 A HK98111518 A HK 98111518A HK 1010567 B HK1010567 B HK 1010567B
Authority
HK
Hong Kong
Prior art keywords
return device
return
Prior art date
Application number
HK98111518.3A
Other languages
Chinese (zh)
Other versions
HK1010567A1 (en
Inventor
Brook Alan
Original Assignee
Hepworth Building Products Limited
Filing date
Publication date
Priority claimed from GB9625202A external-priority patent/GB2320310B/en
Application filed by Hepworth Building Products Limited filed Critical Hepworth Building Products Limited
Publication of HK1010567A1 publication Critical patent/HK1010567A1/en
Publication of HK1010567B publication Critical patent/HK1010567B/en

Links

HK98111518.3A 1998-10-23 Non-return device HK1010567B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9625202A GB2320310B (en) 1996-12-04 1996-12-04 Non-return device

Publications (2)

Publication Number Publication Date
HK1010567A1 HK1010567A1 (en) 1999-06-25
HK1010567B true HK1010567B (en) 2001-07-13

Family

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