JPS62164620U - - Google Patents

Info

Publication number
JPS62164620U
JPS62164620U JP5177786U JP5177786U JPS62164620U JP S62164620 U JPS62164620 U JP S62164620U JP 5177786 U JP5177786 U JP 5177786U JP 5177786 U JP5177786 U JP 5177786U JP S62164620 U JPS62164620 U JP S62164620U
Authority
JP
Japan
Prior art keywords
disks
center hole
radial grooves
glass master
glass
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.)
Pending
Application number
JP5177786U
Other languages
English (en)
Japanese (ja)
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 JP5177786U priority Critical patent/JPS62164620U/ja
Publication of JPS62164620U publication Critical patent/JPS62164620U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Manufacturing Optical Record Carriers (AREA)
JP5177786U 1986-04-07 1986-04-07 Pending JPS62164620U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5177786U JPS62164620U (enrdf_load_stackoverflow) 1986-04-07 1986-04-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5177786U JPS62164620U (enrdf_load_stackoverflow) 1986-04-07 1986-04-07

Publications (1)

Publication Number Publication Date
JPS62164620U true JPS62164620U (enrdf_load_stackoverflow) 1987-10-19

Family

ID=30876352

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5177786U Pending JPS62164620U (enrdf_load_stackoverflow) 1986-04-07 1986-04-07

Country Status (1)

Country Link
JP (1) JPS62164620U (enrdf_load_stackoverflow)

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