IT8682502A0 - Filtro fotografico a lamina birifrangente. - Google Patents

Filtro fotografico a lamina birifrangente.

Info

Publication number
IT8682502A0
IT8682502A0 IT8682502A IT8250286A IT8682502A0 IT 8682502 A0 IT8682502 A0 IT 8682502A0 IT 8682502 A IT8682502 A IT 8682502A IT 8250286 A IT8250286 A IT 8250286A IT 8682502 A0 IT8682502 A0 IT 8682502A0
Authority
IT
Italy
Prior art keywords
filter
birefrangent
photographic
photographic filter
filter filter
Prior art date
Application number
IT8682502A
Other languages
English (en)
Other versions
IT1221902B (it
Inventor
Giulio Cesare Rinaldi
Original Assignee
Giulio Cesare Rinaldi
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 Giulio Cesare Rinaldi filed Critical Giulio Cesare Rinaldi
Priority to IT82502/86A priority Critical patent/IT1221902B/it
Publication of IT8682502A0 publication Critical patent/IT8682502A0/it
Application granted granted Critical
Publication of IT1221902B publication Critical patent/IT1221902B/it

Links

IT82502/86A 1986-01-24 1986-01-24 Filtro fotografico a lamina birifrangente IT1221902B (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT82502/86A IT1221902B (it) 1986-01-24 1986-01-24 Filtro fotografico a lamina birifrangente

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT82502/86A IT1221902B (it) 1986-01-24 1986-01-24 Filtro fotografico a lamina birifrangente

Publications (2)

Publication Number Publication Date
IT8682502A0 true IT8682502A0 (it) 1986-01-24
IT1221902B IT1221902B (it) 1990-07-12

Family

ID=11317918

Family Applications (1)

Application Number Title Priority Date Filing Date
IT82502/86A IT1221902B (it) 1986-01-24 1986-01-24 Filtro fotografico a lamina birifrangente

Country Status (1)

Country Link
IT (1) IT1221902B (it)

Also Published As

Publication number Publication date
IT1221902B (it) 1990-07-12

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970623