FR543002A - Trou d'homme - Google Patents

Trou d'homme

Info

Publication number
FR543002A
FR543002A FR543002DA FR543002A FR 543002 A FR543002 A FR 543002A FR 543002D A FR543002D A FR 543002DA FR 543002 A FR543002 A FR 543002A
Authority
FR
France
Prior art keywords
manhole
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
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DAVIS WELDING AND Manufacturing Co
Original Assignee
DAVIS WELDING AND Manufacturing Co
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 DAVIS WELDING AND Manufacturing Co filed Critical DAVIS WELDING AND Manufacturing Co
Application granted granted Critical
Publication of FR543002A publication Critical patent/FR543002A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/22—Drums; Headers; Accessories therefor
    • F22B37/221—Covers for drums, collectors, manholes or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR543002D 1921-11-03 1921-11-03 Trou d'homme Expired FR543002A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR543002T 1921-11-03

Publications (1)

Publication Number Publication Date
FR543002A true FR543002A (fr) 1922-08-25

Family

ID=8931266

Family Applications (1)

Application Number Title Priority Date Filing Date
FR543002D Expired FR543002A (fr) 1921-11-03 1921-11-03 Trou d'homme

Country Status (1)

Country Link
FR (1) FR543002A (fr)

Similar Documents

Publication Publication Date Title
FR25322E (fr) Appareil pour amputés de l'avant-pied
FR543002A (fr) Trou d'homme
FR522302A (fr) écoperche
FR543881A (fr) Indicateur d'étincelles électriques
FR541660A (fr) étui-nécessaire de poche
FR547332A (fr) Décortiqueuse d'amandes
FR588617A (fr) Perfectionnements apportés aux chaînes d'isolateurs
FR553885A (fr) Cuiller d'excavateur
FR543402A (fr) Cuiller d'excavateur
FR536904A (fr) Indicateur d'itinéraires
FR540979A (fr) Surwatteur ou électro-moteur auto-dynamique
FR536625A (fr) Cheminée d'équilibre
FR554482A (fr) Boîte de fards
FR539075A (fr) Bougie d'alliumage
FR565081A (fr) Perfectionnements aux bouches d'égout
FR590482A (fr) Indicateur d'ignition
FR30968E (fr) Avion-jouet ou d'études
FR532603A (fr) Appareil <<toise-bébé>>
FI8519A (fi) Uistin nimeltä "Original"
FR551671A (fr) Pile-lampe de poche
FR25784E (fr) Pile-lampe de poche
FR25804E (fr) éliminateur d'harmoniques
FR24327E (fr) éliminateur d'harmoniques
ES80365A1 (es) Instalación "Röntgen".
FR552240A (fr) Appareil élévateur-mesureur d'essence