FR649156A - Perfectionnement au chauffage - Google Patents

Perfectionnement au chauffage

Info

Publication number
FR649156A
FR649156A FR649156DA FR649156A FR 649156 A FR649156 A FR 649156A FR 649156D A FR649156D A FR 649156DA FR 649156 A FR649156 A FR 649156A
Authority
FR
France
Prior art keywords
heating improvement
improvement
heating
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)
French (fr)
Inventor
Edmond Pamart
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 FR649156A publication Critical patent/FR649156A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/12—Sanitary or hygienic devices for mouthpieces or earpieces, e.g. for protecting against infection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00—Hot-water central heating systems
    • F24D3/02—Hot-water central heating systems with forced circulation, e.g. by pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR649156D 1927-07-09 1927-07-09 Perfectionnement au chauffage Expired FR649156A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR649156T 1927-07-09

Publications (1)

Publication Number Publication Date
FR649156A true FR649156A (fr) 1928-12-19

Family

ID=9003155

Family Applications (1)

Application Number Title Priority Date Filing Date
FR649156D Expired FR649156A (fr) 1927-07-09 1927-07-09 Perfectionnement au chauffage

Country Status (2)

Country Link
BE (1) BE362471A (enEXAMPLES)
FR (1) FR649156A (enEXAMPLES)

Also Published As

Publication number Publication date
BE362471A (enEXAMPLES)

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