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lan

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[Burmese လံ] In Burma, ? – 20ᵗʰ century, a unit of length, = 88 inches, approximately 2.235 meters.

In some districts, the pulgat is equal to an inch or 25 millimeters, and 4 toung = 1 lan or 2¼ meters.

Alfred J. Martin.
Up-to-date Tables of Imperial, Metric, Indian and Colonial Weights and Measures…
London: T. Fisher Unwin, 1904.
Page 161.

In Mongolia , 20ᵗʰ century, a unit of mass, approximately 37.5 grams.

In Czechoslovakia, a unit of land area, 17.27 hectares (about 42.67 acres).

In Laos, a unit of mass, = 1200 kilograms.

Where is Mongolia?