ZA81539B
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1982-03-31
Irrigation line having desired output flow characteristics and methods of producing same
DK480185D0
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1985-10-18
Fremgangsmaade og midler til fremstilling og taetning af roer dannet vedvikling af baand i skruelinieform
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(en )
1982-07-01
Irrigation conduit and method of making the same
DE3363578D1
(en )
1986-06-26
Method of making branches in hoses
CU21448A
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1983-12-21
Metodo para el cultivo y cosecha agricola de cereales
GB2138661B
(en )
1986-04-09
Irrigation and drainage
EG15767A
(en )
1986-09-30
Cultivation plant and use thereof
IL45211A0
(en )
1974-10-22
Irrigation pipes with dripper units and method of its manufacture
GB2096266B
(en )
1984-11-14
Improvements in or relating to pipes for irrigation and other uses
JO1131B1
(ar )
1982-07-10
انابيب رى ذات وحدات تنقيط منشاه داخلها وطريقة تصنيعها
PT75316B
(en )
1984-05-21
Irrigation apparatus and method
JPS54149138A
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1979-11-22
Land irrigation system and its method
IL70892A
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1988-08-31
Water irrigation apparatus and pipe construction particularly useful therein
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(en )
1990-12-30
Irrigation pipes with built in dripper units and the method of their manufacture
SU980465A1
(ru )
1996-04-27
Способ возведения искусственного острова на акватории
JPS5765372A
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1982-04-20
Method of keeping and maintaining piping system
JO1283B1
(ar )
1986-11-30
طريقة للري بالتنقيط و طريقة صنع نفس الفكرة
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1979-02-24
Irrigation pipe and its manufacture
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1982-11-30
Drip irrigation conduit and method of making the same
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1986-04-18
Drip irrigation conduit and method of making the same
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1981-03-07
Extruding and laying method of plastic pipe
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1978-11-20
Plastic tube having average pipe conduit and manufacturing method
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1982-12-07
Artificial leather with excellent surface effect and production thereof
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1982-01-30
Laying method of pipeline in water
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1981-10-29
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