FR721520A - Perfectionnements aux auditoria - Google Patents

Perfectionnements aux auditoria

Info

Publication number
FR721520A
FR721520A FR721520DA FR721520A FR 721520 A FR721520 A FR 721520A FR 721520D A FR721520D A FR 721520DA FR 721520 A FR721520 A FR 721520A
Authority
FR
France
Prior art keywords
auditoria
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.)
COOKE PATENTS Inc
Original Assignee
COOKE PATENTS Inc
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 COOKE PATENTS Inc filed Critical COOKE PATENTS Inc
Application granted granted Critical
Publication of FR721520A publication Critical patent/FR721520A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/99—Room acoustics, i.e. forms of, or arrangements in, rooms for influencing or directing sound

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
FR721520D 1931-07-25 1931-07-25 Perfectionnements aux auditoria Expired FR721520A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR721520T 1931-07-25

Publications (1)

Publication Number Publication Date
FR721520A true FR721520A (fr) 1932-03-04

Family

ID=9097706

Family Applications (1)

Application Number Title Priority Date Filing Date
FR721520D Expired FR721520A (fr) 1931-07-25 1931-07-25 Perfectionnements aux auditoria

Country Status (1)

Country Link
FR (1) FR721520A (fr)

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