HK1106666A2 - An anti-back flow device by means of single flow design - Google Patents

An anti-back flow device by means of single flow design

Info

Publication number
HK1106666A2
HK1106666A2 HK07113414A HK07113414A HK1106666A2 HK 1106666 A2 HK1106666 A2 HK 1106666A2 HK 07113414 A HK07113414 A HK 07113414A HK 07113414 A HK07113414 A HK 07113414A HK 1106666 A2 HK1106666 A2 HK 1106666A2
Authority
HK
Hong Kong
Prior art keywords
design
back flow
flow device
single flow
flow design
Prior art date
Application number
HK07113414A
Inventor
Tong Yiu Kwok
Original Assignee
Tong Yiu Kwok
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tong Yiu Kwok filed Critical Tong Yiu Kwok
Publication of HK1106666A2 publication Critical patent/HK1106666A2/en

Links

HK07113414A 2007-04-30 2007-12-07 An anti-back flow device by means of single flow design HK1106666A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201198602U CN201031977Y (en) 2007-04-30 2007-04-30 Anti-counterflow one-way draining device

Publications (1)

Publication Number Publication Date
HK1106666A2 true HK1106666A2 (en) 2008-03-14

Family

ID=39163868

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07113414A HK1106666A2 (en) 2007-04-30 2007-12-07 An anti-back flow device by means of single flow design

Country Status (2)

Country Link
CN (1) CN201031977Y (en)
HK (1) HK1106666A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112386732A (en) * 2020-12-09 2021-02-23 张家港市嘉瑞制药机械有限公司 Sterilization cabinet is with preventing structure against current

Also Published As

Publication number Publication date
CN201031977Y (en) 2008-03-05

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Legal Events

Date Code Title Description
PF2 Short-term patent ceased to have effect under s.126(2) (not payment of maintenance fee and has 6-month grace period to pay)

Effective date: 20111207