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( 50 ):

(1835-1920)

(1856-1929)
(1818-86)
(1873-1957)
( . 1930)


(1835-91)
(1838-63)
(1874-1946)
(1739-91)
(1886-1926)
(1895-1973)
(Potain) (1825-1901)
( . potentia - )
( )





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( . potentia - ...)

( . Potenz - )
( . potentia - )

(1829-1908)
(1903-64)


( . poter)
( . - )


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(Potomac)
( . )

(Potosi)

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( . boiler - )
(1898-1951)

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