JPS4916447A - - Google Patents

Info

Publication number
JPS4916447A
JPS4916447A JP47050457A JP5045772A JPS4916447A JP S4916447 A JPS4916447 A JP S4916447A JP 47050457 A JP47050457 A JP 47050457A JP 5045772 A JP5045772 A JP 5045772A JP S4916447 A JPS4916447 A JP S4916447A
Authority
JP
Japan
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.)
Granted
Application number
JP47050457A
Other languages
Japanese (ja)
Other versions
JPS5312801B2 (OSRAM
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
Priority to JP5045772A priority Critical patent/JPS5312801B2/ja
Publication of JPS4916447A publication Critical patent/JPS4916447A/ja
Publication of JPS5312801B2 publication Critical patent/JPS5312801B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP5045772A 1972-05-22 1972-05-22 Expired JPS5312801B2 (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5045772A JPS5312801B2 (OSRAM) 1972-05-22 1972-05-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5045772A JPS5312801B2 (OSRAM) 1972-05-22 1972-05-22

Publications (2)

Publication Number Publication Date
JPS4916447A true JPS4916447A (OSRAM) 1974-02-13
JPS5312801B2 JPS5312801B2 (OSRAM) 1978-05-04

Family

ID=12859385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5045772A Expired JPS5312801B2 (OSRAM) 1972-05-22 1972-05-22

Country Status (1)

Country Link
JP (1) JPS5312801B2 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5239936A (en) * 1975-09-25 1977-03-28 Nippon Telegraph & Telephone Method of compressed air system tunnel drainage construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5239936A (en) * 1975-09-25 1977-03-28 Nippon Telegraph & Telephone Method of compressed air system tunnel drainage construction

Also Published As

Publication number Publication date
JPS5312801B2 (OSRAM) 1978-05-04

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