HK42081A
(en )
1981-08-28
Improvements in and relating to drains
HK57378A
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1978-10-06
Improvements in or relating to prostaglandins and the preparation thereof
MY7600232A
(en )
1976-12-31
Improvements in or relating to yeast
MY7600117A
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1976-12-31
Improvements in and relating to explosives
IL36064A0
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1971-03-24
Improvements in and relating to seats
IL38121A
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1974-10-22
Improvements in and relating to wired broacasting systems
ZA716948B
(en )
1973-06-27
Improvements in or relating to mechanisms
ZA714674B
(en )
1972-05-31
Improvements in and relating to chairs
ZA716293B
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1972-05-31
Improvements in and relating to chairs
IL36376A0
(en )
1971-05-26
Improvements in and relating to buildings
ZA718084B
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1972-08-30
Improvements in and relating to photoconductive materials
ZA715026B
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1972-05-31
Improvements in and relating to web-winding methods
ZA715087B
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1972-04-26
Improvements in and relating to tea manufacture
ZA717424B
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1972-07-26
Improvements in and relating to seating units
ZA708226B
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1972-07-26
Improvements in or relating to fasteners
AU436907B2
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1973-06-15
Improvements in and relating to releasing means
ZA714535B
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1972-04-26
Improvements in and relating to cyclones
MY7400305A
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1974-12-31
Improvements in or relating to prostaglandins and the preparation thereof
IE34872B1
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1975-09-03
Improvements in and relating to watchstraps
ZA71202B
(en )
1971-10-27
Improvements in or relating to screw-pumps
ZA706502B
(en )
1972-04-26
Improvements in and relating to cyclones and cyclone sections
ZA71396B
(en )
1971-10-27
Improvements in or relating to fasteners
AU448458B2
(en )
1974-05-03
Improvements in and relating to razorblades
AU465478B2
(en )
1972-09-21
Improvements in and relating to cyclone classifiers
AU1250370A
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1971-09-16
Improvements in and relating to gambrels