JPS57180318U - - Google Patents

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Publication number
JPS57180318U
JPS57180318U JP6831881U JP6831881U JPS57180318U JP S57180318 U JPS57180318 U JP S57180318U JP 6831881 U JP6831881 U JP 6831881U JP 6831881 U JP6831881 U JP 6831881U JP S57180318 U JPS57180318 U JP S57180318U
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
JP6831881U
Other languages
Japanese (ja)
Other versions
JPS6237209Y2 (enrdf_load_stackoverflow
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 JP1981068318U priority Critical patent/JPS6237209Y2/ja
Publication of JPS57180318U publication Critical patent/JPS57180318U/ja
Application granted granted Critical
Publication of JPS6237209Y2 publication Critical patent/JPS6237209Y2/ja
Expired legal-status Critical Current

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JP1981068318U 1981-05-12 1981-05-12 Expired JPS6237209Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981068318U JPS6237209Y2 (enrdf_load_stackoverflow) 1981-05-12 1981-05-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981068318U JPS6237209Y2 (enrdf_load_stackoverflow) 1981-05-12 1981-05-12

Publications (2)

Publication Number Publication Date
JPS57180318U true JPS57180318U (enrdf_load_stackoverflow) 1982-11-16
JPS6237209Y2 JPS6237209Y2 (enrdf_load_stackoverflow) 1987-09-22

Family

ID=29864270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981068318U Expired JPS6237209Y2 (enrdf_load_stackoverflow) 1981-05-12 1981-05-12

Country Status (1)

Country Link
JP (1) JPS6237209Y2 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989004987A1 (en) * 1987-11-25 1989-06-01 Hitoshi Okano Multi-focal lens equipped with small progressive-focal lens
JP2012220705A (ja) * 2011-04-08 2012-11-12 Panasonic Corp 回折光学素子およびその製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5025244A (enrdf_load_stackoverflow) * 1973-07-05 1975-03-17
JPS526635Y1 (enrdf_load_stackoverflow) * 1969-12-01 1977-02-10
JPS5699527U (enrdf_load_stackoverflow) * 1979-12-28 1981-08-06

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526635Y1 (enrdf_load_stackoverflow) * 1969-12-01 1977-02-10
JPS5025244A (enrdf_load_stackoverflow) * 1973-07-05 1975-03-17
JPS5699527U (enrdf_load_stackoverflow) * 1979-12-28 1981-08-06

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989004987A1 (en) * 1987-11-25 1989-06-01 Hitoshi Okano Multi-focal lens equipped with small progressive-focal lens
JP2012220705A (ja) * 2011-04-08 2012-11-12 Panasonic Corp 回折光学素子およびその製造方法

Also Published As

Publication number Publication date
JPS6237209Y2 (enrdf_load_stackoverflow) 1987-09-22

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