JPS6417512U - - Google Patents

Info

Publication number
JPS6417512U
JPS6417512U JP11211287U JP11211287U JPS6417512U JP S6417512 U JPS6417512 U JP S6417512U JP 11211287 U JP11211287 U JP 11211287U JP 11211287 U JP11211287 U JP 11211287U JP S6417512 U JPS6417512 U JP S6417512U
Authority
JP
Japan
Prior art keywords
light
light attenuation
changes
amount
attenuation
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
JP11211287U
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 JP11211287U priority Critical patent/JPS6417512U/ja
Publication of JPS6417512U publication Critical patent/JPS6417512U/ja
Pending legal-status Critical Current

Links

JP11211287U 1987-07-21 1987-07-21 Pending JPS6417512U (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11211287U JPS6417512U (enExample) 1987-07-21 1987-07-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11211287U JPS6417512U (enExample) 1987-07-21 1987-07-21

Publications (1)

Publication Number Publication Date
JPS6417512U true JPS6417512U (enExample) 1989-01-27

Family

ID=31350757

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11211287U Pending JPS6417512U (enExample) 1987-07-21 1987-07-21

Country Status (1)

Country Link
JP (1) JPS6417512U (enExample)

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