physical constant (Q173227)
physical quantity that is generally believed to be both universal in nature and constant in time
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Current Data About physical constant
(P279) (Q188248)
(Q107715)
(P366) (Q47574)
(P373) Physical constants
(P910) (Q7024164)
(P1424) (Q20703403)
(P1748) C67361
(P1889) (Q188248)