FR693969A - Sewer anti-emanator - Google Patents

Sewer anti-emanator

Info

Publication number
FR693969A
FR693969A FR693969DA FR693969A FR 693969 A FR693969 A FR 693969A FR 693969D A FR693969D A FR 693969DA FR 693969 A FR693969 A FR 693969A
Authority
FR
France
Prior art keywords
emanator
sewer anti
sewer
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Francois Dunand
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 filed Critical
Application granted granted Critical
Publication of FR693969A publication Critical patent/FR693969A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/02—Shut-off devices
    • E03F7/04—Valves for preventing return flow
FR693969D 1930-04-01 1930-04-01 Sewer anti-emanator Expired FR693969A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR693969T 1930-04-01

Publications (1)

Publication Number Publication Date
FR693969A true FR693969A (en) 1930-11-27

Family

ID=9043262

Family Applications (1)

Application Number Title Priority Date Filing Date
FR693969D Expired FR693969A (en) 1930-04-01 1930-04-01 Sewer anti-emanator

Country Status (1)

Country Link
FR (1) FR693969A (en)

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