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P&H
abbr., adv.	postage and handling; postage and handling charge
P.H.
abbr.	Public Health
abbr., shipb.	pilot house
P/H
abbr., busin.	pier-to-house
P-H
abbr., el.	pressure-enthalpy (curves)
p.h.
abbr.	protection helmet
abbr., earth.sc.	per hour
p h
abbr., hydroel.st.	per hour
p/h
abbr.	per hour

P: 20 phrases in 6 subjects

Abbreviation	14
Genetics	1
Rail transport	2
Stock Exchange	1
Technology	1
Trademark	1