BR6803926D0
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1973-01-18
IMPROVEMENTS IN OR RELATING TO PHOTOGRAPHIC ELEMENTS
BR6680608D0
(en )
1973-12-26
IMPROVEMENTS IN OR RELATING TO COMPOSITE SEMICONDUCTOR DEVICES
BR6458483D0
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1973-10-23
IMPROVEMENTS IN OR RELATING TO DECODING EQUIPMENT
BR6459033D0
(en )
1973-08-09
IMPROVEMENTS IN OR RELATING TO STEROIDS
BR6682922D0
(en )
1973-08-07
IMPROVEMENTS IN OR RELATING TO SEEDING
BR6351919D0
(en )
1973-03-20
IMPROVEMENTS IN OR RELATING TO FIXED SHUTTERS
BR6794192D0
(en )
1973-02-27
PERFECTING IN OR RELATING TO ELECTRIC DETONATOR SETS
BR6574919D0
(en )
1973-09-11
IMPROVEMENTS IN OR RELATING TO PHOTOGRAPHIC MATERIALS
BR6677412D0
(en )
1973-06-12
IMPROVEMENTS IN CARBURETORS
BR6679730D0
(en )
1973-05-03
IMPROVEMENTS IN TEARES
BR6348026D0
(en )
1973-07-03
IMPROVEMENTS IN OR RELATING TO ANTI-SIOTICS
BR6794091D0
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1973-01-11
IMPROVEMENTS IN OR RELATING TO TRANSISTORS
BR6898176D0
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1973-05-10
IMPROVEMENT IN OR CONCERNING OBTAINING CASUGAMICINE
BR7191501D0
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1973-12-27
IMPROVEMENTS IN OR RELATING TO LUMINESCENT SCREENS
BR6793795D0
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1973-04-10
IMPROVEMENTS IN OR RELATING TO MIXERS
BR6573147D0
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1973-12-26
IMPROVEMENTS IN OR RELATING TO SEMICONDUCTOR DEVICES
BR6458672D0
(en )
1973-05-31
IMPROVEMENTS IN OR RELATING TO SEALING
BR6803296D0
(en )
1973-02-08
IMPROVEMENTS IN OR RELATING TO SIPHES
BR6803632D0
(en )
1973-01-30
IMPROVEMENTS IN OR RELATING TO FORNO-TUNEL
BR6683102D0
(en )
1973-12-27
IMPROVEMENTS IN OR RELATING TO PINO RECORDERS
GB1124436A
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1968-08-21
Improvements in or relating to mesa transistors
BR6804376D0
(en )
1973-01-25
IMPROVEMENTS IN OR RELATING TO SPEAKERS
BR6791940D0
(en )
1973-06-05
IMPROVEMENTS IN OR RELATING TO RIBBED SHAPES
BR6570603D0
(en )
1973-03-08
IMPROVEMENTS IN OR RELATING TO LUMINAIRES
BR6911825D0
(en )
1973-02-08
IMPROVEMENTS IN OR RELATING TO SIPHES