| Patent number: |
NO121856B |
| Publication
date: |
1971-04-19 |
| Inventor: |
PLUKKER G (NL); HAFKENSCHEID G (NL); RUIS J
(NL) |
| Applicant: |
PHILIPS NV (NL) |
| Classification: |
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| -
international: |
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| - european: |
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| Application
number: |
NO19690000435 19690205 |
| Priority
number(s): |
NL19680001741 19680208 |
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| Also published
as: |
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US3573527 (A1) |
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NL6801741 (A) |
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GB1192725 (A) |
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FR1597297 (A) |
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ES363340 (A) |
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