FR828243A
(en )
1938-05-12
Method and apparatus for extracting and working the pulp of plants
FR725773A
(en )
1932-05-18
Method and apparatus for extracting and harvesting plant development and secretion products
FR691361A
(en )
1930-10-21
Method and apparatus for extracting and collecting the development and secretion products of plants
FR726793A
(en )
1932-06-03
Method and apparatus for extracting and collecting secretions from trees
FR801200A
(en )
1936-07-29
Process for extracting glycerin from beet vinasses
FR721484A
(en )
1932-03-03
Method and apparatus for extracting and harvesting products secreted by trees
FR726527A
(en )
1932-05-30
Method and apparatus for extracting essence from flowers and plants
FR675083A
(en )
1930-02-05
Process for extracting cellulose from plants and industrial waste
FR635652A
(en )
1928-03-22
Process and machine for extracting oil from olives
FR820077A
(en )
1937-11-02
Process for treating essential oils using extracting agents
FR840874A
(en )
1939-05-05
Process for the extraction of oil from olives and mill for the application of this process
FR716303A
(en )
1931-12-18
Method of extracting cellulose from plants and industrial waste
FR852333A
(en )
1940-01-30
Method and apparatus for treating water to prevent the effects of its hardness
FR828677A
(en )
1938-05-25
Process to activate and promote plant growth
FR795107A
(en )
1936-03-04
Mineral oil extraction process
FR681183A
(en )
1930-05-12
Machine for extracting oil from the pulp of olives by the process of reverse filtration and under reduced pressure
FR802772A
(en )
1936-09-15
Process for preparing fat and oil splitting enzyme from plant seeds
FR749706A
(en )
1933-07-28
Machine for the dry treatment of vines and other plants
FR806492A
(en )
1936-12-17
Process for obtaining hop extract
FR786302A
(en )
1935-08-31
Method and apparatus for separating fibers from fibrous plants
FR823969A
(en )
1938-01-29
Dehuller apparatus for obtaining fibers using the leaves of agave and similar plants
FR817066A
(en )
1937-08-25
Process for extracting glycerin from liquid distilleries residues
FR835085A
(en )
1938-12-12
Chemical-physical process for the extraction and preparation of ramie and similar fibers from urticated plants
FR717445A
(en )
1932-01-08
Process for extracting scents from natural flowers
FR823970A
(en )
1938-01-29
Machine for husking fibers from agave leaves and similar plants